#345175
Closest named color: YInMn Blue (#415A77). oklch(42.9% 0.07 254.5), rgb(52, 81, 117).
Aa
White text reads best on this color (8.13:1).
About this color
#345175 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.070 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.034 away. White text reads best on it, at 8.13:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.57:1 |
| White text | 8.13:1 |
Values
| HEX | #345175 |
| RGB | rgb(52, 81, 117) |
| HSL | hsl(213, 38%, 33%) |
| OKLCH | oklch(42.9% 0.07 254.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #345175 | 8.13:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #345175 | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #345175 text on white | 8.13:1 | AAA | Lc 88.1 | Fine for body text |
| #345175 text on black | 2.57:1 | Fails | Lc -14.1 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AFC3DB
oklch(81% 0.04 253.1)
-
Step 400
400
#85A3C9
oklch(70.7% 0.065 254.6)
-
Step 500
500
#668CBB
oklch(63.1% 0.083 254.2)
-
Step 600
600
#4D75A7
oklch(55.5% 0.09 254.6)
-
Step 700
700
#3E628F
oklch(49% 0.084 254.7)
-
Step 800
800 (this color)
#345175
oklch(42.9% 0.07 254.5)
-
Step 900
900
#2D435E
oklch(37.7% 0.054 254.1)
-
Step 950
950
#1B2737
oklch(26.9% 0.034 255.8)
#345175 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #435377 | 0.021 |
| Deuteranopia (no green cones) | #3A4D74 | 0.013 |
| Tritanopia (no blue cones) | #10595E | 0.061 |
| Achromatopsia (no color) | #4F4F4F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345175
#345175
oklch(42.9% 0.07 254.5)
- #66491F
#66491F
oklch(42.8% 0.07 74)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #345175, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.036
- Light Navy #155084 ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.037
- Dusk Blue #26538D ΔE 0.040
- Dusk #4E5481 ΔE 0.043
- Dusty Grape #545775 ΔE 0.050
- Twilight #4E518B ΔE 0.053
Use #345175 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.